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M3.9 Depth: 21.3 km

M3.9 Earthquake near 111 km SSE of Sand Point, Alaska

UTC time: 2025-09-03 20:50:07 UTC Local time: —

About this earthquake

A magnitude M3.9 earthquake was recorded near 111 km SSE of Sand Point, Alaska on September 3, 2025 at 20:50 UTC. With a focal depth of about 21 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Shaking of this size is frequently noticed but usually harmless.

The data is provided by USGS and cross-checked across seismological networks.

Details

Magnitude
M3.9
Depth
21.3 km
UTC time
2025-09-03 20:50:07 UTC
Local time
—
Country
—
Source
usgs
Coordinates
54.43560, -159.75710
Temperature
13.4°C

Map

Depth profile

Depth profile Depth: 21.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 21.3 km
Shallow
21.3 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Dana
    Distance: 163 km ·Stratovolcano ·Elevation: 1'354 m ·Last eruption: -1890 ·United States
  • Stepovak Bay Group
    Distance: 166 km ·Volcanic field ·Elevation: 1'633 m ·United States
  • Pavlof
    Distance: 175 km ·Stratovolcano ·Elevation: 2'493 m ·Last eruption: 2022 ·United States
  • Kupreanof ADVISORY · YELLOW
    Distance: 175 km ·Stratovolcano ·Elevation: 1'895 m ·United States
  • Pavlof Sister
    Distance: 176 km ·Stratovolcano ·Elevation: 2'142 m ·United States
  • Emmons Lake Volcanic Center
    Distance: 178 km ·Caldera ·Elevation: 1'534 m ·United States

Stats (last 24h)

Global (24h)
924
Country (24h)
—
—
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